Sabic Global Technologies B.v.

Alexander Voskoboynikov

Nicolaas Hendrika Friederichs

Vincenzo Busico

Roberta Cipullo

Antonio Vittoria

Bogdan A Guzeev

Ilya Borisov

Mikhail I Sharikov

Vyatcheslav Izmer

Dmitry Kononovich

Jaiprakash Brijlal Sainani

Abbas-Alli Ghudubhai Shaikh

Dmitry Uborsky

Dmitry Y Mladentsev

Hendriksen Coen

Oleg Samsonov

Anton Ginzburg

Shaneesh Vadake Kulangara

Coen Hendriksen

Anamitra Chatterjee

Luca Rongo

Ninad Ghavale

Nitin Nandurkar

Mikhail Sharikov

Daniil Nosov

Pavel Kulyabin

Oleg V Samsonov

The present invention provides a compound according to formula (I): (I) wherein: &#x2022;R2 is abridging moiety containing at least one sp2 hybridised carbon atom; &#x2022;each R4, R4', R7 and R7&#x2032; are hydrogen or moieties comprising 1-10 carbon atoms, wherein each R4, R4&#x2032;, R7 and R7&#x2032; are the same; &#x2022;each R5, R5&#x2032;, R6 and R6&#x2032; are moieties comprising 1-10 carbon atoms, wherein each R5, R5&#x2032;, R6 and R6&#x2032; are the same; and &#x2022;Z is a moiety selected from ZrX, HfX, or TiX, wherein X is selected from the group of halogens, alkyls, aryls and aralkyls. Such compound allows for the preparation of catalyst systems that provide improved olefin reactivity, such as ethylene reactivity, increased molecular weight in olefin polymerisation, such as increased Min ethylene polymerisation, and increased comonomer incorporation in copolymerisation reactions of olefins, such as in copolymerisation reactions of ethylene with 1-hexene. 

Substituted bis-2-indenyl metallocene compounds

The invention relates to a metallocene complex according to formula (A): wherein R1 is selected from C1-C10 alkyl, C6-C20 aryl, C7-C20 aralkyl groups, and C1-C10 alkoxy groups, wherein R2 is selected from H, C1-C10 alkyl; wherein R3-R6, R10 are independently selected from H, C1-C10 alkyl, C6-C10 aryl, and wherein R3 and R4, R4 and R5, or R5 and R6 can be connected to form a ringstructure; wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2, and wherein each R7 independently is selected from C1-C6 alkyl or aryl groups. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerization process of olefinic monomers. 

Dihydrocarbyl-silyl-bridged-1,3 disubstituted-2-indenyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula (I), wherein R1 is selected from C2-C10 alkyl, preferably C3-C10 alkyl, C6-C20 aryl, C7-C20 aralkyl groups, wherein R2 is selected from H, C1-C10 alkyl, and wherein R3, R4, R5 and R6 are independently selected from H, C1-C10 alkyl, C6-C20 aryl, or C7-C20 aralkyl groups and wherein R3 and R4, R4 and R5, or R5 and R6 can be connected to form a ring structure wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M. The invention also relates to a catalyst comprising the reaction product of the metallocene complex and a cocatalyst. Further the invention relates to a (co)polymerization process of olefinic monomers. 

Dihydrocarbyl-silyl-bridged-substituted cyclopentadienyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula A, wherein R1-R10 are independently selected from H, C1-C10 alkyl, C7-C20 Aralkyl groups, and C1-C10 alkoxy groups; wherein R11 is selected from methyl, ethyl, propyl, isopropyl, butyl, phenyl; wherein R1 and R2, R3 and R4, R4 and R5, R5 and R6, R7 and R8, R8 and R9, and/or R9 and R10 can be connected to form a ringstructure; wherein R0 is selected from a C1-C10 alkyl group or an aryl group wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2. The invention further relates to a catalyst for preparing polyolefins, a process for polymerizing olefins and to polymers prepared by said catalyst system. 

Dimethyl-silyl-bridged-1-substituted-2-indenyl metallocene complexes for olefin polymerization

The invention relates to a metallocene complex according to formula I or II wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, k is the number of Q groups and equals the valence of M minus 2, R is a divalent bridging group, R, R, Rand R4 are each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; and R, R, Rand Rare each independently chosen from the group consisting of hydrogen (H); a halogen atom; a silyl, alkyl, cycloalkyl, aryl, alkylaryl or arylalkyl group; or two adjacent radicals Rand R, Rand R, and Rand Rare connected with each other in a hydrocarbon ring system. The invention also relates to a catalyst comprising the metallocene complex, to a process for making polyolefins and to the use of the polyolefins for making articles. 

Catalyst comprising a metallocene complex and co-catalyst

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Geleen, Netherlands

Alexander Voskoboynikov